Audited Supplier 
Material and structure
Fiber combination: Contains 6 internationally accepted standard fiber strips, usually: Acetate, Cotton, Nylon, Polyester, Acrylic, Wool
Core Features
Multi-fiber comparison test: Comprehensively evaluate color fastness through the difference in dye adsorption of different fibers.
Standardized production: Strictly follow SDC (Society of Dyers and Colorists) and ISO standards to ensure batch consistency.
Applicability: Compatible with dry, wet and chemical reagent (sweat, detergent) tests.
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